Ohio Revised Code Title XLVII. Occupations Professions § 4733.021

(A) Except for an individual who, as part of the internal classification system of the individual's employer, uses the title “engineer” by itself or in conjunction with another term described in division (B) of this section and who does not represent the individual's self to the public or otherwise advertise the individual's self as an engineer, no individual shall, in connection with the individual's name, assume, use, or advertise:

(B) Terms used in conjunction with the title “engineer” under division (A)(2) of this section that imply a person is a graduate of an accredited engineering curriculum include the following: “aerospace,” “agricultural,” “civil,” “chemical,” “computer,” “electrical,” “industrial,” “mechanics,” “mechanical,” “metallurgical,” “mining,” “naval architectural and marine,” “nuclear,” and any other term commonly used by an institution of higher learning to apply to graduates of an accredited engineering curriculum.

(C) Nothing in this section shall be interpreted as prohibiting the use, assumption, or advertisement of the title “steam engineer” or “stationary engineer,” by or on behalf of a person licensed under Chapter 4739. of the Revised Code, or the term “railroad engineer” or “locomotive engineer,” by or on behalf of a person authorized to operate a railroad locomotive, or the term “operating engineer,” by or on behalf of a person who operates, maintains, repairs, or manufactures light or heavy construction equipment.